Study the effect of chemical and bio-fertilizers (Azotobacter and Phosphate Barvar-2) on quantity characteristics of Marigold (Calendula officinalis L.)
Subject Areas : Journal of plant ecophysiology
سهیلا کوره پز محمود آبادی
1
,
جابر آقا رحیمی
2
1 - گروه باغبانی، واحد جیرفت، دانشگاه آزاد اسلامی، جیرفت، ایران
2 - گروه باغبانی، واحد جیرفت، دانشگاه آزاد اسلامی، جیرفت، ایران
Keywords: Azotobacter, bio-fertilizers, Phosphate Barvar,
Abstract :
To study the effect of chemical and bio-fertilizers (Azotobacter and Phosphate Barvar-2) on quantity characteristics of Marigold (Calendula officinalis L.) an experiment was conducted in the Jiroft. Field experiment was arranged base on randomized complete block design with three replications. Treatments were involved: T1: nochemical, biological as control, T2: 100% NPK, T3: Azotobacter, T4: Azotobacter + 50% NPK, T5: Phosphate Barvar-2, T6: Phosphate Barvar-2+ 50% NPK, T7: Azotobacter Phosphate Barvar-2, T8: Azotobacter Phosphate Barvar-2 + 50% NPK and T9: Azotobacter Phosphate Barvar-2 + 100% NPK. result showed that the signification effect of chemical and bio-fertilizers on height, flowering stem length, stem diameter, number of branches, number of leaf, Fresh and dry weight plant, Fresh and dry weight flower and harvest index. So that most of these traits were obtained from treatment (T8): Azotobacter + fertile phosphate 2 + 50% NPK. Biochemical and chemical fertilizers had a significant effect on the percentage and yield of marigold essential oil. The highest amount of essential oil was obtained from Azotobacter + fertile phosphate 2 treatment. Also, the application of biochemical fertilizers had a significant effect on the number of days to flowering and the lowest time was related to T8 treatment. In general, the results showed that Applying bio-fertilizers (Azotobacter and Phosphate Barvar-2) benefited on growth and generative and yield Marigold. The use of bacteria not only increased yield, quality and early yield, but also reduced the use of chemical fertilizers.